HP dx2318 Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs,
HP dx2318 - Microtower PC Manual
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- HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 1
service reference guide HP Compaq dx2310 MT/dx2318 MT Business PCs 1st Edition This document provides information on the removal and replacement of all parts as well as information on troubleshooting, Desktop Management, setup utilities, SATA drives, safety, routine care, connector pin assignments, - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 2
Service Reference Guide HP Compaq dx2310 MT/dx2318 MT Business PCs 1st Edition Document Part Number: 490778-001 April 2008 - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 3
of life. Ä CAUTION: Text set off in this manner indicates that failure to follow directions could result in damage to equipment or loss of information. Service Reference Guide HP Compaq dx2310 MT/dx2318 MT Business PCs First Edition (April 2008) Document Part Number: 490778-001 - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 4
1.2.1 Windows XP Home/XP Professional(Vista downgrade)/ Vista Basic/Vista Business 32 1-2 1.3 HP Software 1-2 2 Setup Utilities and Diagnostics Features 2.1 Power-On Self-Test (POST 2-1 2.2 Computer Setup Utilities 2-2 2.2.1 Using Computer Setup (F10) Utilities 2-2 2.2.2 Computer Setup Menu - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 5
6-12 6.7.2 Removing a Drive 6-13 6.8 Front I/O Panel Housing Assembly - MT chassis 6-17 6.9 System Fan 6-18 6.10 Heatsink - MT chassis 6-19 6.11 Processor 6-20 6.12 System Board 6-22 6.13 Battery 6-23 6.13.1 Battery Holder 6-24 6.14 Power Supply 6-25 iv 490778-001 Service Reference Guide - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 6
A Connector Pin Assignments B Power Cord Set Requirements C POST Error Messages D Troubleshooting Without Diagnostics E Memory Contents Service Reference Guide 490778-001 v - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 7
for the device you are installing. The I386 directory and its subdirectories provide the HP- or Compaq-specific integration of the operating system for the computer model and include device drivers supported by the operating system. When prompted for the I386 directory on the operating system - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 8
operating system (Windows XP Home or XP Professional(Vista downgrade) or Vista Basic or Vista Business 32) is preinstalled on the computer and will be configured automatically the first time the computer is turned on. All other software is userinstalled. Certain drivers and utilities are available - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 9
diagnostic features provide information needed about the computer system when contacting Customer Support. These tools can also be used All features identified in this chapter may not be available on all HP products. 2.1 Power-On Self-Test (POST) POST is a Service Reference Guide 490778-001 2-1 - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 10
-on. ■ Establish a supervisor password that controls access to Computer Setup (F10) Utility and the settings described supported by the drive). 2.2.1 Using Computer Setup (F10) Utilities Computer Setup can be accessed only by turning on the computer or restarting the system. To access the Computer - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 11
after resetting the defaults. Ä CAUTION: Do NOT turn the computer power OFF while the ROM is saving your F10 Computer Setup changes because the CMOS could become corrupted. It is safe to turn off all power to the computer after you exit the F10 Setup screen. Service Reference Guide 490778-001 2-3 - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 12
Time Floppy Drive A Allows you to set system date. Allows you to set system time. Allows you to set Drive A to None or 1.44M, 3.5 inch. ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. 2-4 490778-001 Service Reference Guide - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 13
Setup Utilities and Diagnostics Features Computer Setup (Continued) Heading Option Description Standard CMOS Features ( • All but Diskette • All but Disk/Key ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. Service Reference Guide 490778-001 2-5 - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 14
Computer Setup (Continued) Heading Option Description Advanced F11 Prompt BIOS IDE HDD, SATA HDD or bootable add-in cards). The first drive in the order has Support for specific Computer Setup options may vary depending on the hardware configuration. 2-6 490778-001 Service Reference Guide - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 15
you to set the security option to Setup or System so that the password is required every time the system boots or only when entering Computer Setup. ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. Service Reference Guide 490778-001 2-7 - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 16
when user enter to setup with advanced mode(Ctrl+A). Init Display First Allows you to set system display priority: (VGA Setting) • PCI Slot • Onboard ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. 2-8 490778-001 Service Reference Guide - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 17
SATA Port Only available when you enter to setup with advanced mode(Ctrl+A). Show Only, controlled by PATA IDE Mode: • P1,P3 is Secondary • P0,P2 is Primary ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. Service Reference Guide 490778-001 2-9 - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 18
Mode Use DMA If Parallel Port Mode is set to ECP or ECP+EPP, allows you to set the ECP Mode Use DMA to 1 or 3. ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. 2-10 490778-001 Service Reference Guide - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 19
) when you exit Setup, if you have installed a new add-on and the system reconfiguration has caused such a serious conflict that the OS cannot boot. ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. Service Reference Guide 490778-001 2-11 - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 20
Setting and Exit Allows you to save current settings and exit Computer Setup. Exit Without Saving Allows you to exit Computer Setup without saving changes. ✎ Support for specific Computer Setup options may vary depending on the hardware configuration. 2-12 490778-001 Service Reference Guide - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 21
utility firmware can be found at http://www.hp.com under the Software & Driver Downloads for your specific model. Download the firmware files into a folder on a removable storage device. It is recommended that you save any modified computer configuration settings to a diskette, a USB flash media - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 22
. This is important to ensure the operating integrity of the computer. Should you need or want to upgrade the BIOS, you may download the latest BIOS images from the HP driver and support page: http://www.hp.com/support. Ä CAUTION: For maximum ROM protection, be sure to establish a supervisor - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 23
BIOS. 5. Turn the power on to restart the computer. 3.2.2 Dual-State Power Button With Advanced Configuration and Power Interface (ACPI) enabled for Windows XP XP/Vista, left click on the Start Button, then select Control Panel Desktop, then choose Properties. 3-2 490778-001 Service Reference Guide - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 24
software easier. You can download the software from http://www.hp.com/support. The Web site contains the latest device drivers, utilities, and flashable ROM image needed to run the latest Microsoft Windows operating system on your HP computer. 3.3 Security 3.3.1 Password Security The user password - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 25
3. Select Set User Password and follow the instructions on the screen. 4. Before exiting, click computer. If you are in Windows, click Start > Shut Down > Restart. To change the setup password, run Computer Setup. 2. To change the user password, go to step 3. 3-4 490778-001 Service Reference Guide - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 26
Delimiter Characters" for information about the alternate delimiter characters. The power-on password and setup password may also be changed using the Security options in Computer Setup. Service Reference Guide 490778-001 3-5 - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 27
Desktop Management National Keyboard Delimiter Characters Each keyboard is designed to meet country-specific requirements. The syntax and keys that you use for changing or deleting your password depend on the keyboard that came with your computer. National Keyboard Delimiter Characters Arabic / - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 28
Guidelines and Features ✎ Serial ATA = SATA HP does not support the use of a PATA (IDE) hard drive / optical drive on these models of computer. 4.1 SATA 3.0 Hard Drives Serial ATA cable to the system board always connect the primary hard drive to SATA 0. Service Reference Guide 490778-001 4-1 - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 29
ATA Drive Guidelines and Features 4.2 SATA Hard Drive Cables 4.2.1 SATA Data Cable Always use an HP approved SATA 3.0 Gb/s cable as it is fully backwards compatible with the SATA 1.5 Gb/s P13 V 12 12 V power P14 V12 12 V power P15 V12 12 V power 4-2 490778-001 Service Reference Guide - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 30
specification. Drive size calculations by drive manufacturers are bytes to the base 10 while calculations by Microsoft are bytes to the base 2. Drive/Partition Capacity Limits File System FAT 32 NTFS Controller Type ATA ATA Operating System Windows 2000/XP/Vista Windows NT/2000/XP/Vista Maximum - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 31
an AC power source voltage is always applied to the system board. You must disconnect the power cord from the power source before opening the computer to prevent system board or component damage. 5.1 Chassis Designations 5.1.1 Microtower (MT) dx2310 MT Service Reference Guide 490778-001 5-1 - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 32
Identifying the Chassis, Routine Care, and Disassembly Preparation dx2318 MT Note: dx2318 MT is only for China Market. 5-2 490778-001 Service Reference Guide - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 33
touching a sensitive component or assembly. ■ Avoid contact with pins, leads, or circuitry. ■ Place reusable electrostatic-sensitive parts from assemblies in protective packaging or conductive foam. Service Reference Guide 490778-001 5-3 - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 34
nonconductive materials such as ordinary plastic assembly aids and Styrofoam. ■ Use field service tools, such as cutters, screwdrivers, and vacuums, that are conductive. 5.2.5 -dissipative table or floor mats with hard tie to ground ■ Field service kits 5-4 490778-001 Service Reference Guide - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 35
Safety Precautions 1. Never use solvents or flammable solutions to clean the computer. 2. Never immerse any parts in water or cleaning solutions; clean the air vents on the computer. Lint and other foreign matter can block the vents and limit the airflow. Service Reference Guide 490778-001 5-5 - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 36
or the keyboard body, follow the procedures described in Section 5.3.2, "Cleaning the Computer Case." When cleaning debris from under the keys, review all rules in Section the mouse body, follow the procedures in Section 5.3.2, "Cleaning the Computer Case." 5-6 490778-001 Service Reference Guide - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 37
the disassembly and assembly of the computer. 5.4.1 Tools and Software Requirements To service the computer, you need the following: ■ Torx T-15 screwdriver (Compaq screwdriver with bits, PN 161946-001) ■ Torx T-15 screwdriver with small diameter shank (for certain front bezel removal) ■ Flat-bladed - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 38
snagged by parts being removed or replaced. Ä CAUTION: When servicing this computer, ensure that cables are placed in their proper location during the chassis you are working on in this guide for instructions on the replacement procedures. Å WARNING: This computer contains a lithium battery. There is - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 39
chapter is essential for proper service. After completing all necessary removal and replacement procedures, run the Diagnostics utility to verify that all components operate properly. ✎ Not all features listed in this guide are available on all computers. 6.1 Preparation for Disassembly See Chapter - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 40
Replacement Procedures- Microtower (MT) Chassis 6.2 Remove the computer access panel and front bezel (MT chassis) 6.2.1 Access Panel (MT Chassis) 1. Prepare the computer for disassembly (Section 6.1, "Preparation for Disassembly"). Ä CAUTION: Before removing the computer access panel, ensure that - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 41
Microtower (MT) Chassis 6.2.2 Front Bezel (MT Chassis) 1. Prepare the computer for disassembly (Section 6.1, "Preparation for Disassembly"). 2. Remove the access panel (Section 6.2.1, "Access Panel (MT top latches from chassis. To reinstall the front bezel, reverse the removal procedure. 5. Insert - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 42
and Replacement Procedures- Microtower (MT) Chassis 6.3 Front Drive Bezels 1. Prepare the computer for disassembly (Section 6.1, "Preparation for Disassembly"). 2. Remove the access panel and the front bezel - MT (Section 6.2.1, "Access Panel (MT Chassis)" and Section 6.2.2, "Front Bezel (MT Chassis - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 43
the electronic components of the computer or optional cards. Before beginning these procedures, computer for disassembly (Section 6.1, "Preparation for Disassembly"). 2. Remove the access panel (Section 6.2, "Remove the computer access panel and front bezel (MT Service Reference Guide 490778-001 6-5 - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 44
procedure. 6.5 Expansion Cards 6.5.1 Expansion Slot Cover Lock 1. Prepare the computer for disassembly (Section 6.1, "Preparation for Disassembly"). 2. Remove the right access panel (Section 6.2, "Remove the computer access panel and front bezel (MT chassis)"). 3. Lay the computer down on its side - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 45
To install an expansion card in an existing empty slot go to step 9. 1. Prepare the computer for disassembly (Section 6.1, "Preparation for Disassembly"). 2. Remove the right access panel (Section 6.2, "Remove the computer access panel and front bezel (MT chassis)"). 3. Lay the computer down on its - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 46
Removal and Replacement Procedures- Microtower (MT) Chassis 6.5.3 Installing an Expansion Card The computer has four PCI expansion slots. Each slot can accommodate a half-height PCI or PCI Express expansion card up to 6.6 inches (16.764 cm) in length. ✎ You can install a PCI card or a PCI Express x1 - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 47
Microtower (MT) Chassis 7. Hold the card just above the expansion slot on the system board then move the card toward the rear of the chassis so that the bottom of the bracket on the card slides into the small slot on the chassis. Gently press the card card, you must replace it with a new card - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 48
Removal and Replacement Procedures- Microtower (MT) Chassis 6.5.4 Removing an Expansion Card To remove an expansion card: 1. Turn off the computer properly through the operating system, then turn off any external devices. 2. Disconnect the power cord from the power outlet and disconnect any external - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 49
Microtower (MT) Chassis 6.6 Cable Management Always follow good cable management practices when working inside the computer. ■ Keep cables away from major heat sources like the heatsink. ■ Do not jam cables on top of expansion cards the internal wires. ■ Never Service Reference Guide 490778-001 6-11 - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 50
Microtower (MT) Chassis 6.7 Drives The computer supports up to four drives that may be installed in various configurations. This Section describes the procedure for replacing or upgrading the storage drives. A Torx T-15 screwdriver is needed to remove and install the guide the Compaq factory-installed files. - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 51
Replacement Procedures- Microtower (MT) Chassis Item computer properly through the operating system and turn off any external devices. Disconnect the power cord from the power outlet and disconnect any external devices. 2. Remove the access panel and front Service Reference Guide 490778-001 6-13 - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 52
Removal and Replacement Procedures- Microtower (MT) Chassis 5. Removing the Hard Disk: remove the two screws that secure the hard disk drive cage to the chassis. cage away from the bottom of the chassis 2 as shown below. Releasing the Hard Drive Cage 6-14 490778-001 Service Reference Guide - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 53
and Replacement Procedures- Microtower (MT) Chassis 7. Lift the hard disk drive cage out of the chassis. Removing the Hard Drive Cage 8. Disconnect the power cable 1 and data cable 2 from the back of the hard drive. Disconnecting the Hard Drive Cables Service Reference Guide 490778-001 6-15 - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 54
Removal and Replacement Procedures- Microtower (MT) Chassis 9. Remove the four screws that secure the hard disk drive to the hard disk drive cage 1, then slide the hard disk drive out of the hard disk drive cage 2. Removing the Hard Drive 10. Remove one guide screws (Floppy Drive only) from the old - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 55
Removal and Replacement Procedures- Microtower (MT) Chassis 6.8 Front I/O Panel Housing Assembly - MT chassis 1. Prepare the computer for disassembly (Section 6.1, "Preparation for Disassembly"). 2. Remove the access panel and rotate the computer so the system board is parallel to the table to - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 56
Removal and Replacement Procedures- Microtower (MT) Chassis 6.9 System Fan 1. Prepare the computer for disassembly (Section 6.1, "Preparation for Disassembly"). 2. Remove the access panel (Section 6.2, "Remove the computer access panel and front bezel (MT chassis)"). 3. Disconnect the cable that - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 57
Replacement Procedures- Microtower (MT) Chassis 6.10 Heatsink - MT chassis 1. Prepare the computer for disassembly (Section 6.1, "Preparation for Disassembly"). 2. Remove the access panel (Section 6.2, "Remove the computer access panel and front bezel (MT chassis)"). 3. Lay the computer down on its - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 58
Microtower (MT) Chassis 6.11 Processor 1. Prepare the computer for disassembly (Section 6.1, "Preparation for Disassembly"). 2. Remove the access panel cover (Section 6.2, "Remove the computer access panel and front bezel (MT chassis)"). 3. Disconnect the heatsink control 001 Service Reference Guide - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 59
✎ After installing a new processor onto the system board, always update the system ROM to ensure that the latest version of the BIOS is being used on the computer. The latest system ROMPaq can be found on the Web at: http:\\h18000.www1.hp.com/support/files. Service Reference Guide 490778-001 6-21 - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 60
- Microtower (MT) Chassis 6.12 System Board 1. Prepare the computer for disassembly (Section 6.1, "Preparation for Disassembly"). 2. Remove the access panel (Section 6.2, "Remove the computer access panel and front bezel (MT chassis)"). 3. Remove the front bezel (Section 6.2.2, "Front Bezel (MT - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 61
2. Remove the right access panel (Section 6.2, "Remove the computer access panel and front bezel (MT chassis)"). ✎ It may be necessary to remove an expansion card to gain access to the battery. 3. Locate the battery and battery holder on the system board. Service Reference Guide 490778-001 6-23 - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 62
Procedures- Microtower (MT) computer access panel. 4. Plug in the computer and turn on power to the computer. 5. Reset the date and time, your passwords, and any special system setups, using Computer Setup. Refer to the Computer Setup (F10) Utility Guide. 6-24 490778-001 Service Reference Guide - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 63
and/or the AC outlet before opening the computer. 1. Prepare the computer for disassembly (Section 6.1, "Preparation for Disassembly"). 2. Remove the access panel (Section 6.2, "Remove the computer access panel and front bezel (MT chassis)"). 3. Disconnect all power cables from the mass storage - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 64
assignments for many computer and workstation connectors. Some of these connectors may not be used on the product being serviced. Enhanced Keyboard Connector Transmit Data 3 (+) Receive Data 4 Unused 5 Unused 6 (-) Receive Data 7 Unused 8 Unused Service Reference Guide 490778-001 A-1 - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 65
Pin Signal 7 Data Bit 5 8 Data Bit 6 9 Data Bit 7 10 Acknowledge 11 Busy 12 Paper End Pin 13 14 15 16 17 18-25 Signal Select Auto Linefeed Error Initialize Printer miniphone) 1 23 Pin 1 (Tip) 2 (Ring) 3 (Shield) Signal Audio Power Ground A-2 490778-001 Service Reference Guide - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 66
) 1 23 Pin 1 (Tip) 2 (Ring) 3 (Shield) Signal Audio_In_Left Audio_In_Right Ground Line-Out Audio Connector and Icon (1/8" miniphone) 1 23 Pin 1 (Tip) 2 (Ring) 3 (Shield) Signal 12 DDC Serial Data 13 Horizontal Sync 14 Vertical Sync 15 DDC Serial Clock Service Reference Guide 490778-001 A-3 - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 67
16 PSON 17 GND 18 GND 19 GND 20 NI Pin Signal 1 GND 2 GND 3 +12 V 4 +12 V Pin Signal 21 +5 V 22 +5 V 23 +5 V 24 GND A-4 490778-001 Service Reference Guide - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 68
of the country where you use the computer. For more information on power cord set requirements, contact your authorized HP dealer, reseller, or service provider. General Requirements The requirements listed , for mating with appliance inlet on the Switch Box. Service Reference Guide 490778-001 B-1 - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 69
reporting any errors found. Not all computers use all of the codes listed. Recommended Actions are to be taken in incremental steps. Perform one step at a time and continue only if the action does not cure the problem. POST Error Messages Screen Message BIOS ROM checksum error - System halted CMOS - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 70
giving specifics about the BIOS then ignores the missing keyboard during POST. No action request Reseat memory modules. Replace memory modules. Restart the computer, use the F10 Key to access Computer Setup. Select Load Default Settings > Save and Exit. C-2 490778-001 Service Reference Guide - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 71
or disk error Replace and press any key when ready The BIOS was unable to find a suitable boot device. For Argali, . 5. Contact an authorized reseller or service provider. 1. Ensure that the computer air vents are not blocked and the service provider. Service Reference Guide 490778-001 C-3 - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 72
drivers been installed for each application? ■ Remove all diskettes from the diskette drives before you turn on the system. ■ Are all switches set correctly? ■ Is the NIC Remote Wakeup cable (featured on some models) connected between the NIC and the riser/system board? Service Reference Guide - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 73
and you are unable to resolve it yourself or if you feel uncomfortable about performing the operation, contact your HP authorized reseller or service provider. Problem Cause Solution Computer will not turn on. Cables to the external power source are unplugged. Ensure that cables connecting the - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 74
First, reset the Date and Time Properties in the Control Panel (Computer Setup can also be used to update the RTC date and time). If the problem persists, replace the RTC battery. See the Hardware Reference Guide on the Library CD for instructions on installing a new battery. Cursor will not move - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 75
Troubleshooting Without Diagnostics Problem chosen. The VGA/BNC selector computer will not start. Initernal error has occurred Refer to "Interpreting Diagnostic Lights and the computer is and Audible Codes" to interpret the flashing a code. error code. D-4 490778-001 Service Reference Guide - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 76
and to verify the proper installation. 2. Observe the beeps and LED lights on the front of the computer. See "Interpreting Diagnostic Lights and Audible Codes" to determine possible causes. 3. If you still cannot resolve the issue, contact Customer Support. Service Reference Guide 490778-001 D-5 - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 77
the computer and refer to the following table to determine the front panel LED codes. ✎ Recommended actions in the following table are listed in the order in which they should be performed. ✎ Replace the system board or power supply only as the last resort. D-6 490778-001 Service Reference Guide - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 78
not compatible with the monitor. 1. Restart the computer and press F8 during startup when you see "Press F8" in the bottom right corner of the screen. 2. Using the keyboard arrow keys, select Enable VGA Mode and press Enter. 3. In Windows Control Panel, double-click the Display icon and select the - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 79
brightness and contrast controls. Check that the graphics cable is securely connected to the graphics card and the monitor. Install the video drivers included in the upgrade kit. Change requested resolution. 1. Be sure the monitor cable is securely connected to the computer. 2. In a two-monitor - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 80
(flat panel monitors using an analog VGA input connection only) Flat panel monitor's internal digital conversion circuits may be unable to correctly interpret the output synchronization of the graphics card. Certain typed symbols do not appear correct. The font you are using does not support that - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 81
into the wrong audio jack. See the sound card documentation for proper speaker connection. Audio cable not connected. Connect audio cable between CD or DVD-ROM drive and the system board. Digital CD audio is not enabled. Enable digital CD audio: 1. From the Control Panel, select System. 2. On - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 82
Troubleshooting Without Diagnostics Solving Audio Problems (Continued) Problem Cause Solution Noise or no sound digital mode. Sound cuts in and out. Computer appears to be locked up while recording audio. Processor audio file in a compressed format. Service Reference Guide 490778-001 D-11 - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 83
Troubleshooting Without Diagnostics Solving Printer Problems Solving Printer Problems Problem Cause Printer will not print. Printer is not turned on and online. The correct printer driver printer driver is Install the correct printer driver for the application. driver. Make driver - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 84
Troubleshooting Without Diagnostics Solving Keyboard and Mouse Problems Solving Keyboard Problems Problem Cause Solution Keyboard commands and typing are not recognized by the computer. Keyboard connector is not properly connected. 1. Turn off the computer the computer will the computer will - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 85
do not match current configuration. Solution Use the Network control application to enable Wake-on-LAN. Run Computer Setup and enable network controller. Check the network controller documentation for the correct driver or obtain the latest driver from the manufacturer's Web site. Check cabling and - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 86
Troubleshooting Without Diagnostics Solving Network Problems (Continued) Problem Cause Diagnostics passes, but the computer does not communicate with the network. (continued) The network controller is not configured for this computer. Network controller stopped working when an expansion board - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 87
Troubleshooting Without Diagnostics Solving Memory Problems Ä CAUTION: For those systems that support ECC memory, HP does not support mixing ECC and non-ECC memory. Otherwise, the system will not boot the operating system. Solving Memory Problems Problem Cause System will not boot or does not - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 88
hot. Troubleshooting Without Diagnostics Solution 1. Make sure the airflow to the computer is not blocked. 2. Make sure the fans are connected and working properly (some fans only operate when needed). 3. Make sure the processor heatsink is installed properly. Service Reference Guide 490778-001 - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 89
Troubleshooting Without Diagnostics Solving CD-ROM and DVD Problems Solving CD-ROM and DVD Problems Problem Cause System will not boot from CD-ROM or DVD drive. The CD-ROM or DVD boot is not enabled through the Computer Setup utility. Non-bootable CD in drive. CD-ROM or DVD devices are not - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 90
Problems Solving DiskOnKey Problems Problem Cause Drive Key is not seen as a drive letter in Windows XP. The drive letter after the last physical drive is not available. The computer should see a "power" LED light on the front of the cable/DSL modem. Service Reference Guide 490778-001 D-19 - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 91
and the computers's RJ-45 connector. (If the connection is good, the "PC" LED light on the front of the cable/DSL modem will be on.) IP address is not configured properly. Contact the ISP for the correct IP address. Cookies are corrupted. Windows XP 1. Select Start > Control Panel. 2. Double - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 92
, then click Properties. 7. Under Device status, verify that the modem is working properly. 8. Under Device usage, verify the modem is enabled. 9. If there are further problems, click the Troubleshoot button and follow the on-screen instructions. Service Reference Guide 490778-001 D-21 - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 93
Codes Diagnostic Front Panel LEDs and Audible Codes Activity Beeps Possible Cause Recommended Action Green Power LED On. None Computer on. None Green Power LED flashes every two seconds. None Computer in Suspend to RAM mode (some models only) or normal Suspend mode. Not support wake up - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 94
Without Diagnostics Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity Beeps Possible Cause Recommended Action Invalid ROM based on bad checksum. 1. Reflash the system ROM with the latest BIOS image. 2. Replace the system board. Inclining beeps when password entered. Rapid - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 95
Without Diagnostics Diagnostic Front Panel LEDs and Audible to the appropriate voltage*. Proper voltage setting depends on your region. 2. Remove the expansion cards one at a time until the 5V_aux light on the system board turns on. 3. Replace system board. D-24 490778-001 Service Reference Guide - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 96
the operating system. Contacting Customer Support For help and service, contact an authorized reseller or dealer. To locate a reseller or dealer near you, visit www.hp.com. ✎ If you take the computer to an authorized reseller, dealer, or service provider for service, remember to provide the setup - HP dx2318 | Service Reference Guide: HP Compaq dx2310 MT/dx2318 MT Business PCs, - Page 97
computer supports: ■ 512Mbit, 1Gbit and 2Gbit non-ECC memory technologies ■ single-sided and double-sided DIMMS ■ DIMMs constructed with x8 and x16 DDR devices; DIMMs constructed with x4 SDRAM are not supported ✎ The system will not start if you install unsupported DIMMs. Service Reference Guide
service reference guide
HP Compaq dx2310 MT/dx2318 MT
Business PCs
1st Edition
This document provides information on the removal and replacement of all
parts as well as information on troubleshooting, Desktop Management, setup
utilities, SATA
drives, safety, routine care, connector pin assignments, POST
error messages, and diagnostic indicator lights.
Document Part Number 490778-001